Study of the Effect of Water Intake by the Matrix on the Optimization of the Fiber Matrix Interface Damage for a Composite Material by Genetic Algorithms

Background: In this paper, we have studied the improvement of the physical and chemical properties of the fiber-matrix interface of a Biocomposite based on the copolymer polylactic acid (PLA). Methodology: We have developed an analytical model using a genetic approach to locate the interface damage under the effect of mechanical stress, temperature and humidity. Our simulation is based on Weibull's probabilistic approach and the law of water diffusion in polymer matrix, the diffusion is generated by Fick's law. Results: Our results show that the interface of Biocomposite (Starch-PLA) is the most resistant to the different constraints applied and that the physical and chemical properties of this material are much more improved compared to other materials studied by the same genetic model. Conclusion: Our calculations coincide perfectly with the conclusions of Antoine et al. who determined that natural fibers improve the physical properties of composite materials.

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The Effect of the Kenaf Natural Fiber on Enhancing the Mechanical Properties of Bio-Composites Materials Used in Civil Engineering

Bouguenina

Mokaddem

Doumi

et al. 2018

Mechanics and Mechanical Engineering

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In this work, we have investigated the effect of the natural Kenaf reinforcement on the improvement of the interfacile bond between two types of epoxy and Polypropylene (PP) matrix. Our genetic model is based on Weibull's probabilistic models and on Cox's interface model. The moisture content for each material is determined by Fick's law. Our simulation results show that the most resistant interface is that of Kenaf-Polypropylene compared to the other interfaces. This result coincides perfectly with the experimental data found by Paul Wambua et al. Which have shown that Kenaf is a promoter fiber for the improvement of the mechanical properties of biocomposite used in the field of civil engineering.

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Study of the Effect of Water Intake by the Matrix on the Optimization of the Fiber Matrix Interface Damage for a Composite Material by Genetic Algorithms

Cited by 3 publications

References 9 publications

Numerical characterization of the humidity effect on the fiber-matrix interface damage of hybrid composite material based on vinyl ester polymer matrix for engineering applications

Numerical characterization of the humidity effect on the fiber-matrix interface damage of hybrid composite material based on vinyl ester polymer matrix for engineering applications

Study of the Chemical and Physical Properties of the Fiber-Matrix Interface of Biocomposite Material Based on a Copolymer Matrix Polylactic Acid (PLA)

The Effect of the Kenaf Natural Fiber on Enhancing the Mechanical Properties of Bio-Composites Materials Used in Civil Engineering

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